DN25 Brass Visual Flow Meter Balancing Ball Valve for Accurate Water Flow Adjustment in HVAC Heating and Cooling Circuits, Adjustable Scale Calibration(8-30L/m)
DN25 Brass Flow Control Valve With Visual Flow Meter For HVAC Balancing And System Flow Regulation(4-15L/m)
Visual Flow Gas Tank Converter Valve for Camping and Hiking Dual Real-Time Flow for WINDOWS Residual Gas Collection Adapter Brass Aluminum Compact 3x3x7.4cm for Stoves Heaters(gray)
Visual Flow Adjustment Ball Valve DN25 for HVAC Balancing with Pressure Relief and Brass Construction (4-15L/m)
Brass DN25 Flow Control Valve For HVAC With Visual Adjustment Scale/Automatic Pressure Relief(8-30L/m)
Visual Flow Indicator with Eccentric Impeller Design for Unobstructed Monitoring in Horizontal or Vertical Installations
